Page 76 - Science Course 1 (Book 1)

5. What are the long chains of molecules that make up many substances in cells?
A. lipids
B. amino acids
C. macromolecules
D. simple molecules
6. Which substance makes up 75 percent of the volume of cells?
A. lipids
B. water
C. nucleic acids
D. carbohydrates
7. Which characteristic of lipids makes them useful as protective barriers in cells?
A. They contain starches.
B. They do not dissolve in water.
C. They are not macromolecules.
D. They contain genetic material.
8. Which statement is part of the cell theory?
A. All living things are made of cells.
B. Cells are made of macromolecules.
C. All objects on Earth are made of cells.
D. Cells are composed of carbohydrates and lipids

Mo3-L1: Lesson Review Quiz (Matching)

Directions: On the line before each definition, write the letter of the term that matches it correctly. Each
term is used only once

9. made of amino acids A. carbohydrates
10. made of sugars B. nucleic acids
11. made of nucleotides C. proteins

Short Answer
Directions: Respond to each statement on the lines provided.

12. Determine the role of amino acids in the formation of proteins.

13. Assess what carbohydrates, such as sugars, do to help produce the body’s energy.

14. Examine nucleic acids, identifying their subunits and their relationship to DNA

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